apps/screen_access.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2005 by Kevin Ferrare
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21
  22 #include <lcd.h>
  23 #include <lcd-remote.h>
  24 #include <scroll_engine.h>
  25 #include "backlight.h"
  26 #include <font.h>
  27 #include <button.h>
  28 #include <sprintf.h>
  29 #include <settings.h>
  30 #include <kernel.h>
  31 #include <icons.h>
  32
  33 #include "screen_access.h"
  34
  35 /* some helper functions to calculate metrics on the fly */
  36 static int screen_helper_getcharwidth(void)
  37 {
  38 #ifdef HAVE_LCD_BITMAP
  39     return font_get(lcd_getfont())->maxwidth;
  40 #else
  41     return 1;
  42 #endif
  43 }
  44
  45 static int screen_helper_getcharheight(void)
  46 {
  47 #ifdef HAVE_LCD_BITMAP
  48     return font_get(lcd_getfont())->height;
  49 #else
  50     return 1;
  51 #endif
  52 }
  53
  54 static int screen_helper_getnblines(void)
  55 {
  56     int height=screens[0].lcdheight;
  57 #ifdef HAVE_LCD_BITMAP
  58     if(global_settings.statusbar)
  59         height -= STATUSBAR_HEIGHT;
  60 #ifdef HAVE_BUTTONBAR
  61     if(global_settings.buttonbar && screens[0].has_buttonbar)
  62         height -= BUTTONBAR_HEIGHT;
  63 #endif
  64 #endif
  65     return height / screens[0].getcharheight();
  66 }
  67
  68 #if NB_SCREENS == 2
  69 static int screen_helper_remote_getcharwidth(void)
  70 {
  71 #ifdef HAVE_LCD_BITMAP
  72     return font_get(lcd_remote_getfont())->maxwidth;
  73 #else
  74     return 1;
  75 #endif
  76 }
  77
  78 static int screen_helper_remote_getcharheight(void)
  79 {
  80 #ifdef HAVE_LCD_BITMAP
  81     return font_get(lcd_remote_getfont())->height;
  82 #else
  83     return 1;
  84 #endif
  85 }
  86
  87 static int screen_helper_remote_getnblines(void)
  88 {
  89     int height=screens[1].lcdheight;
  90 #ifdef HAVE_LCD_BITMAP
  91     if(global_settings.statusbar)
  92         height -= STATUSBAR_HEIGHT;
  93 #ifdef HAVE_BUTTONBAR
  94     if(global_settings.buttonbar && screens[0].has_buttonbar)
  95         height -= BUTTONBAR_HEIGHT;
  96 #endif
  97 #endif
  98     return height / screens[1].getcharheight();
  99 }
 100 #endif
 101
 102 struct screen screens[NB_SCREENS] =
 103 {
 104     {
 105         .screen_type=SCREEN_MAIN,
 106         .lcdwidth=LCD_WIDTH,
 107         .lcdheight=LCD_HEIGHT,
 108         .depth=LCD_DEPTH,
 109         .getnblines=&screen_helper_getnblines,
 110 #if defined(HAVE_LCD_COLOR)
 111         .is_color=true,
 112 #else
 113         .is_color=false,
 114 #endif
 115 #ifdef HAVE_LCD_BITMAP
 116         .pixel_format=LCD_PIXELFORMAT,
 117 #endif
 118         .getcharwidth=screen_helper_getcharwidth,
 119         .getcharheight=screen_helper_getcharheight,
 120 #if (CONFIG_LED == LED_VIRTUAL)
 121         .has_disk_led=false,
 122 #elif defined(HAVE_REMOTE_LCD)
 123         .has_disk_led=true,
 124 #endif
 125         .set_viewport=&lcd_set_viewport,
 126         .getwidth=&lcd_getwidth,
 127         .getheight=&lcd_getheight,
 128         .getstringsize=&lcd_getstringsize,
 129 #ifdef HAVE_LCD_BITMAP
 130         .setfont=&lcd_setfont,
 131         .getfont=&lcd_getfont,
 132         .mono_bitmap=&lcd_mono_bitmap,
 133         .mono_bitmap_part=&lcd_mono_bitmap_part,
 134         .set_drawmode=&lcd_set_drawmode,
 135         .bitmap=(screen_bitmap_func*)&lcd_bitmap,
 136         .bitmap_part=(screen_bitmap_part_func*)&lcd_bitmap_part,
 137 #if LCD_DEPTH <= 2
 138         /* No transparency yet for grayscale and mono lcd */
 139         .transparent_bitmap=(screen_bitmap_func*)&lcd_bitmap,
 140         .transparent_bitmap_part=(screen_bitmap_part_func*)&lcd_bitmap_part,
 141 #else
 142         .transparent_bitmap=(screen_bitmap_func*)&lcd_bitmap_transparent,
 143         .transparent_bitmap_part=(screen_bitmap_part_func*)&lcd_bitmap_transparent_part,
 144 #endif
 145 #if LCD_DEPTH > 1
 146 #if defined(HAVE_LCD_COLOR) && defined(LCD_REMOTE_DEPTH) && LCD_REMOTE_DEPTH > 1
 147         .color_to_native=&lcd_color_to_native,
 148 #endif
 149         .get_background=&lcd_get_background,
 150         .get_foreground=&lcd_get_foreground,
 151         .set_background=&lcd_set_background,
 152         .set_foreground=&lcd_set_foreground,
 153 #ifdef HAVE_LCD_COLOR
 154         .set_selector_start=&lcd_set_selector_start,
 155         .set_selector_end=&lcd_set_selector_end,
 156         .set_selector_text=&lcd_set_selector_text,
 157 #endif
 158 #endif /* LCD_DEPTH > 1 */
 159         .update_rect=&lcd_update_rect,
 160         .update_viewport_rect=&lcd_update_viewport_rect,
 161         .fillrect=&lcd_fillrect,
 162         .drawrect=&lcd_drawrect,
 163         .drawpixel=&lcd_drawpixel,
 164         .drawline=&lcd_drawline,
 165         .vline=&lcd_vline,
 166         .hline=&lcd_hline,
 167         .scroll_step=&lcd_scroll_step,
 168         .puts_style_offset=&lcd_puts_style_offset,
 169         .puts_scroll_style=&lcd_puts_scroll_style,
 170         .puts_scroll_style_offset=&lcd_puts_scroll_style_offset,
 171 #endif /* HAVE_LCD_BITMAP */
 172
 173 #ifdef HAVE_LCD_CHARCELLS
 174         .double_height=&lcd_double_height,
 175         .putc=&lcd_putc,
 176         .get_locked_pattern=&lcd_get_locked_pattern,
 177         .define_pattern=&lcd_define_pattern,
 178         .unlock_pattern=&lcd_unlock_pattern,
 179         .icon=&lcd_icon,
 180 #endif /* HAVE_LCD_CHARCELLS */
 181
 182         .putsxy=&lcd_putsxy,
 183         .puts=&lcd_puts,
 184         .puts_offset=&lcd_puts_offset,
 185         .puts_scroll=&lcd_puts_scroll,
 186         .puts_scroll_offset=&lcd_puts_scroll_offset,
 187         .scroll_speed=&lcd_scroll_speed,
 188         .scroll_delay=&lcd_scroll_delay,
 189         .stop_scroll=&lcd_stop_scroll,
 190         .clear_display=&lcd_clear_display,
 191         .clear_viewport=&lcd_clear_viewport,
 192         .scroll_stop=&lcd_scroll_stop,
 193         .scroll_stop_line=&lcd_scroll_stop_line,
 194         .update=&lcd_update,
 195         .update_viewport=&lcd_update_viewport,
 196         .backlight_on=&backlight_on,
 197         .backlight_off=&backlight_off,
 198         .is_backlight_on=&is_backlight_on,
 199         .backlight_set_timeout=&backlight_set_timeout,
 200 #ifdef HAVE_BUTTONBAR
 201         .has_buttonbar=false
 202 #endif
 203     },
 204 #if NB_SCREENS == 2
 205     {
 206         .screen_type=SCREEN_REMOTE,
 207         .lcdwidth=LCD_REMOTE_WIDTH,
 208         .lcdheight=LCD_REMOTE_HEIGHT,
 209         .depth=LCD_REMOTE_DEPTH,
 210         .getnblines=&screen_helper_remote_getnblines,
 211         .is_color=false,/* No color remotes yet */
 212         .pixel_format=LCD_REMOTE_PIXELFORMAT,
 213         .getcharwidth=screen_helper_remote_getcharwidth,
 214         .getcharheight=screen_helper_remote_getcharheight,
 215         .has_disk_led=false,
 216         .set_viewport=&lcd_remote_set_viewport,
 217         .getwidth=&lcd_remote_getwidth,
 218         .getheight=&lcd_remote_getheight,
 219         .getstringsize=&lcd_remote_getstringsize,
 220 #if 1 /* all remote LCDs are bitmapped so far */
 221         .setfont=&lcd_remote_setfont,
 222         .getfont=&lcd_remote_getfont,
 223         .mono_bitmap=&lcd_remote_mono_bitmap,
 224         .mono_bitmap_part=&lcd_remote_mono_bitmap_part,
 225         .bitmap=(screen_bitmap_func*)&lcd_remote_bitmap,
 226         .bitmap_part=(screen_bitmap_part_func*)&lcd_remote_bitmap_part,
 227         .set_drawmode=&lcd_remote_set_drawmode,
 228 #if LCD_REMOTE_DEPTH <= 2
 229         /* No transparency yet for grayscale and mono lcd */
 230         .transparent_bitmap=(screen_bitmap_func*)&lcd_remote_bitmap,
 231         .transparent_bitmap_part=(screen_bitmap_part_func*)&lcd_remote_bitmap_part,
 232         /* No colour remotes yet */
 233 #endif
 234 #if LCD_REMOTE_DEPTH > 1
 235 #if defined(HAVE_LCD_COLOR)
 236         .color_to_native=&lcd_remote_color_to_native,
 237 #endif
 238         .get_background=&lcd_remote_get_background,
 239         .get_foreground=&lcd_remote_get_foreground,
 240         .set_background=&lcd_remote_set_background,
 241         .set_foreground=&lcd_remote_set_foreground,
 242 #endif /* LCD_REMOTE_DEPTH > 1 */
 243         .update_rect=&lcd_remote_update_rect,
 244         .update_viewport_rect=&lcd_remote_update_viewport_rect,
 245         .fillrect=&lcd_remote_fillrect,
 246         .drawrect=&lcd_remote_drawrect,
 247         .drawpixel=&lcd_remote_drawpixel,
 248         .drawline=&lcd_remote_drawline,
 249         .vline=&lcd_remote_vline,
 250         .hline=&lcd_remote_hline,
 251         .scroll_step=&lcd_remote_scroll_step,
 252         .puts_style_offset=&lcd_remote_puts_style_offset,
 253         .puts_scroll_style=&lcd_remote_puts_scroll_style,
 254         .puts_scroll_style_offset=&lcd_remote_puts_scroll_style_offset,
 255 #endif /* 1 */
 256
 257 #if 0 /* no charcell remote LCDs so far */
 258         .double_height=&lcd_remote_double_height,
 259         .putc=&lcd_remote_putc,
 260         .get_locked_pattern=&lcd_remote_get_locked_pattern,
 261         .define_pattern=&lcd_remote_define_pattern,
 262         .icon=&lcd_remote_icon,
 263 #endif /* 0 */
 264         .putsxy=&lcd_remote_putsxy,
 265         .puts=&lcd_remote_puts,
 266         .puts_offset=&lcd_remote_puts_offset,
 267         .puts_scroll=&lcd_remote_puts_scroll,
 268         .puts_scroll_offset=&lcd_remote_puts_scroll_offset,
 269         .scroll_speed=&lcd_remote_scroll_speed,
 270         .scroll_delay=&lcd_remote_scroll_delay,
 271         .stop_scroll=&lcd_remote_stop_scroll,
 272         .clear_display=&lcd_remote_clear_display,
 273         .clear_viewport=&lcd_remote_clear_viewport,
 274         .scroll_stop=&lcd_remote_scroll_stop,
 275         .scroll_stop_line=&lcd_remote_scroll_stop_line,
 276         .update=&lcd_remote_update,
 277         .update_viewport=&lcd_remote_update_viewport,
 278         .backlight_on=&remote_backlight_on,
 279         .backlight_off=&remote_backlight_off,
 280         .is_backlight_on=&is_remote_backlight_on,
 281         .backlight_set_timeout=&remote_backlight_set_timeout
 282     }
 283 #endif /* HAVE_REMOTE_LCD */
 284 };
 285
 286 #ifdef HAVE_LCD_BITMAP
 287 void screen_clear_area(struct screen * display, int xstart, int ystart,
 288                        int width, int height)
 289 {
 290     display->set_drawmode(DRMODE_SOLID|DRMODE_INVERSEVID);
 291     display->fillrect(xstart, ystart, width, height);
 292     display->set_drawmode(DRMODE_SOLID);
 293 }
 294 #endif